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Rework navigation so we can resolve by key now

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This commit is contained in:
Dan Clark
2024-11-17 23:09:26 +00:00
parent 796ef41e3f
commit 7a9028bbeb
26 changed files with 371 additions and 88 deletions
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Toolkit.WinUI/TemplateControl.cs
+39 -43
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@@ -23,56 +23,52 @@ public class TemplateControl :
if (DataContext is IObservableViewModel observableViewModel)
{
if (observableViewModel.Provider is IServiceProvider provider)
if (observableViewModel.Provider is IServiceProvider provider &&
provider.GetRequiredKeyedService<IContentTemplateDescriptor>(DataContext.GetType().Name.Replace("ViewModel", ""))
is IContentTemplateDescriptor descriptor &&
provider.GetRequiredKeyedService(descriptor.TemplateType, descriptor.Key)
is FrameworkElement control)
{
if (provider.GetRequiredKeyedService<IContentTemplateDescriptor>(DataContext.GetType().Name.Replace("ViewModel", ""))
is IContentTemplateDescriptor descriptor)
void HandleLoaded(object? sender, RoutedEventArgs args)
{
if (provider.GetRequiredKeyedService(descriptor.TemplateType, descriptor.Key)
is FrameworkElement control)
control.Loaded -= HandleLoaded;
if (control.DataContext is object content)
{
void HandleLoaded(object? sender, RoutedEventArgs args)
if (content is IActivation activation)
{
control.Loaded -= HandleLoaded;
if (control.DataContext is object content)
{
if (content is IActivation activation)
{
activation.IsActive = true;
}
}
activation.IsActive = true;
}
void HandleDataContextChanged(FrameworkElement? sender, DataContextChangedEventArgs args)
{
if (control.DataContext is object content)
{
if (content is IActivation activation)
{
activation.IsActive = true;
}
}
}
void HandleUnloaded(object? sender, RoutedEventArgs args)
{
control.Unloaded -= HandleUnloaded;
if (control.DataContext is object content)
{
if (content is IActivation activation)
{
activation.IsActive = false;
}
}
}
control.Loaded += HandleLoaded;
control.Unloaded += HandleUnloaded;
control.DataContextChanged += HandleDataContextChanged;
Content = control;
}
}
void HandleDataContextChanged(FrameworkElement? sender, DataContextChangedEventArgs args)
{
if (control.DataContext is object content)
{
if (content is IActivation activation)
{
activation.IsActive = true;
}
}
}
void HandleUnloaded(object? sender, RoutedEventArgs args)
{
control.Unloaded -= HandleUnloaded;
if (control.DataContext is object content)
{
if (content is IActivation activation)
{
activation.IsActive = false;
}
}
}
control.Loaded += HandleLoaded;
control.Unloaded += HandleUnloaded;
control.DataContextChanged += HandleDataContextChanged;
Content = control;
}
}
}